package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

/**
 * 菜品管理
 */
@Api(tags = "菜品管理相关接口")
@RestController
@RequestMapping("/admin/dish")
@Slf4j
public class DishController {
    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;
    /**
     * 添加菜品
     * @param dishDTO
     * @return
     */
    @PostMapping()
    @ApiOperation("添加菜品")
    public Result save(@RequestBody DishDTO dishDTO){
        log.info("添加菜品{}",dishDTO);
        dishService.saveWithFlavor(dishDTO);
        String key = "dish" + dishDTO.getCategoryId();
        cleanCache(key);
        return Result.success();
    }

    /**
     * 菜品分类查询
     * @param dishPageQueryDTO
     * @return
     */
    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO){
        log.info("菜品分页查询{}",dishPageQueryDTO);
        PageResult pageResult =  dishService.page(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    /**
     * 批量删除产品
     * @param ids
     * @return
     */
    @DeleteMapping()
    @ApiOperation("批量删除菜品")
    public Result delete(@RequestParam List<Long> ids){
        log.info("批量删除菜品{}",ids);
        dishService.delete(ids);
        //所有以dish开头的数据
        cleanCache("dish_*");

        return Result.success();
    }
    /**
     * 根据id查询菜品
     */
    @ApiOperation("根据id查询菜品")
    @GetMapping("/{id}")
    public Result<DishVO> getById(@PathVariable Long id){
        log.info("根据id查询菜品{}",id);
        DishVO dishVO = dishService.getByIdWithFlavor(id);
        return Result.success(dishVO);
    }

    /**
     * 修改菜品
     * @return
     */
    @PutMapping()
    @ApiOperation("修改菜品")
    public Result update(@RequestBody DishDTO dishDTO){
        log.info("修改菜品{}",dishDTO);
        dishService.updateWithFlavor(dishDTO);
        cleanCache("dish_*");

        return Result.success();
    }
    /**
     * 菜品起售停售
     */
    @PostMapping("/status/{status}")
    @ApiOperation("菜品起售，停售")
    public Result updateStatus( @PathVariable Integer status , Long id){
        log.info("{}菜品起售，停售{}",id,status);
        dishService.updateStatus(id,status);

        cleanCache("dish*");
        return Result.success();
    }

    /**
     * 根据分类查找菜品
     */
    @GetMapping("/list")
    @ApiOperation("根据分类查找菜品")
    public Result<List<Dish>> getBycategoryId(Long categoryId){
        log.info("根据分类查找菜品{}",categoryId);
        List<Dish> dishes = dishService.getBycategoryId(categoryId);
        return Result.success(dishes);

    }
    /**
     * 根据key清理redis缓冲
     */
    private void cleanCache(String pattern){
//        通用方法
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);

    }


}
